I can see that you're not worried about any surprise inspections from any employee type people like OSHA or the fire marshall. This has to be the most dangerous thing I've ever seen in a shop.

Maybe you can help me with why this is high risk...container with gas has
a top on it. I do have a device from Harbor Freight that you pour you cleaner in and it pump the stuff across your parts. Then when done you close the lid. That is all plastic. Would that be safer?